Home / 210,365.21-315,314.06-160,280.18

Finding the Fourth Proportional to 210,365.21, 315,314.06 and 160,280.18

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Solution

The fourth proportional to 210,365.21, 315,314.06 and 160,280.18 is: 240,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,365.21 : 315,314.06 = 160,280.18 : x
  2. Step 2: Convert to fraction form
    210,365.21/315,314.06 = 160,280.18/x
  3. Step 3: Cross multiply
    210,365.21x = 315,314.06 × 160,280.18
  4. Step 4: Simplify right side
    210,365.21x = 50,538,593,117.46
  5. Step 5: Solve for x
    x = 50,538,593,117.46/210,365.21
  6. Step 6: Final answer
    x = 240,242.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.